6H螺纹塞规 螺纹通止规 牙规M4.5M5M6M7M8M9*1.25*1*0.75*0.5*0.8

标 签: 螺纹 塞规 螺纹

6H螺纹塞规 螺纹通止规 牙规M4.5M5M6M7M8M9*1.25*1*0.75*0.5*0.8
6H螺纹塞规 螺纹通止规 牙规M4.5M5M6M7M8M9*1.25*1*0.75*0.5*0.8

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